POLLEN AND PHYTOLITH ANALYSES FOR THE REDSMOKE AND STAFFORD SITES GARFIELD COUNTY, NEBRASKA
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Twostratigraphic columns were collected along Lime Creek and examined for pollen and
phytoliths. The Red Smoke site is situated upcreek less than half a mile from the Lime Creek
site, examined previously (Cummings 1990), and the Stafford site is another 1.5 miles upstream
from the Red Smoke site. A basal date of 9820 + 80 BP was obtained for the Red Smoke site.
An upper date was determined to represent unrelated channel fill. Dates near 10,500 BP were
obtained for both the top and bottom of the Stafford site column. The similarity of these dates
may be the result of very rapid deposition of nearly three meters of sediment, or the upper
deposits may contain redeposited organics washed in with a flood.
创建时间：
2012-08-23
